The sister of the first British victim of a flesh-eating drug has issued a stark warning over the "evil killer" that she fears could take more lives around the UK.
Karl Warburton, 43, died last May due to acute aspiration pneumonitis, a condition often caused by inhaling toxins, a coroner ruled this week.
Xylazine, a powerful sedative usually used by vets on large animals such as horses and cows, was listed on his death certificate as contributing to his demise.
